How long does tretinoin take to show results?

Most users see initial texture improvements and fewer breakouts within 8–12 weeks of consistent nightly use. Fine line reduction and hyperpigmentation improvements typically appear at 6 months. Full collagen remodeling benefits take 12–24 months. Stick with it through the purge phase (weeks 2–6), this is temporary and means it is working.

What moisturizer works best with tretinoin?

Use a simple, fragrance-free, ceramide-rich moisturizer. Top choices: CeraVe Moisturizing Cream, Vanicream Moisturizing Skin Cream, or La Roche-Posay Toleriane Double Repair. Apply before tretinoin (the sandwich method) to buffer irritation, or wait 20–30 minutes after tretinoin. Avoid occlusives like petrolatum directly over tretinoin, they can increase penetration and irritation. Niacinamide-containing moisturizers are a good pairing for their barrier-repairing properties.

Can you use tretinoin every night?

Eventually yes, but start slow: use tretinoin 2–3 nights per week for the first 4–6 weeks, then increase to every other night, then nightly as tolerated. Most people reach nightly use by month 3–4. Signs you are progressing too fast: persistent redness, flaking, or burning beyond the first few minutes after application. Slow down rather than stopping entirely if irritated. SPF 30+ every morning is mandatory with tretinoin, it increases UV sensitivity.

tretinoin · Review

Drunk Elephant Protini Polypeptide Cream Review

Drunk Elephant's under-$100 Protini cream promises peptide-fueled firming. Here's what the research and owner reviews say.

Our verdict

Drunk Elephant Protini Polypeptide Cream

Under $100

Strong pick

Check price →

Last updated 2026-04-13 · 5 min read · First published 2026-04-13

Heads up: this post has affiliate links. We may earn a small commission if you buy something, at no extra cost to you. We only link to stuff we'd actually tell a friend about. Prices shown are approximate and change often; check the retailer for current pricing.

What we like

✓ Multi-peptide blend with real concentrations
✓ Premium Beauty listing back
✓ Lightweight enough for combo skin
✓ Pairs well with retinoids and vitamin C
✓ Cult status with real receipts

What bugs us

✗ Under $100 for 1.69 oz is premium pricing
✗ Subtle results vs marketing hype
✗ Some users find the texture too watery

The short answer

Drunk Elephant Protini is a peptide-rich daily moisturizer that supports collagen and barrier function. Subtle but real firming at 8 weeks. At under $100 it’s mid-luxury, worth it for combo skin wanting peptide support without heavy texture.

The Drunk Elephant Protini cream gets credit for popularizing peptides in mainstream skincare. Here’s the actual review.

What’s in it

The formula features a “signal peptide complex” with palmitoyl tripeptide-1, palmitoyl tripeptide-38, copper tripeptide-1, and acetyl tetrapeptide-9. The peptide concentrations are higher than most $30-40 alternatives.

8-week results

Week 2: skin feels more bouncy
Week 4: noticeable smoothness improvement
Week 8: subtle firming, especially around jawline
Note: results are real but subtle, not face-lift dramatic

Who should buy

Combo or normal skin types
30+ wanting peptide support
People who pair with retinoid/vitamin C
Drunk Elephant brand fans

Skip if:

Very dry skin (texture too light)
Budget-conscious (CeraVe + tretinoin gives 80% of the result)

Check current price on Amazon →

The verdict

Verdict: Strong pick. Real peptides, real (subtle) results. Not as dramatic as marketing implies but legit. Worth it as part of a fuller stack, not a hero product alone.

Ready to buy?

Grab the Protini Polypeptide Cream on Amazon

Check current price →

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Brand guide

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See the Drunk Elephant guide →

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Premium Beauty

TFC8 tech. The one celebrities keep talking about.

Buy on Amazon →